[media] rc: Add support for the TechnoTrend USB IR Receiver

This driver adds support for TechnoTrend USB IR Receiver. It is a complete
rewrite of the staging/media/lirc/lirc_ttusbir driver. It adds more
accurate sample reporting and led control.

Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/rc/Kconfig

@@ -274,6 +274,19 @@ config IR_IGUANA
 	   To compile this driver as a module, choose M here: the module will
 	   be called iguanair.
 
+config IR_TTUSBIR
+	tristate "TechnoTrend USB IR Receiver"
+	depends on RC_CORE
+	select USB
+	select NEW_LEDS
+	select LEDS_CLASS
+	---help---
+	   Say Y here if you want to use the TechnoTrend USB IR Receiver. The
+	   driver can control the led.
+
+	   To compile this driver as a module, choose M here: the module will
+	   be called ttusbir.
+
 config RC_LOOPBACK
 	tristate "Remote Control Loopback Driver"
 	depends on RC_CORE

drivers/media/rc/Makefile

@@ -28,3 +28,4 @@ obj-$(CONFIG_IR_WINBOND_CIR) += winbond-cir.o
 obj-$(CONFIG_RC_LOOPBACK) += rc-loopback.o
 obj-$(CONFIG_IR_GPIO_CIR) += gpio-ir-recv.o
 obj-$(CONFIG_IR_IGUANA) += iguanair.o
+obj-$(CONFIG_IR_TTUSBIR) += ttusbir.o

drivers/media/rc/keymaps/rc-tt-1500.c

@@ -61,7 +61,7 @@ static struct rc_map_list tt_1500_map = {
 	.map = {
 		.scan    = tt_1500,
 		.size    = ARRAY_SIZE(tt_1500),
-		.rc_type = RC_TYPE_UNKNOWN,	/* Legacy IR type */
+		.rc_type = RC_TYPE_RC5,
 		.name    = RC_MAP_TT_1500,
 	}
 };